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Poisson's Ratio - ASTM E132 Plastic Test Standard

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Poisson's Ratio - ASTM E132

The negative ratio of lateral strain to axial strain.

ν = -ε_y / ε_x

Poisson Effect

Testing is performed by running a tensile test on a specimen equipped with two extensometers. One extensometer is aligned parallel to the applied tensile stress while the second extensometer is aligned perpendicular to the tensile stress.

Property information for specific grades of resin are available in the Prospector Plastics Database.